Mercury dispensing device

Details Mercury dispensing device Mercury dispensing device

1997-08-26

1999-06-29

Oen, William

Compositions

Getters or gas or vapor generating materials for electric...

Reactive compositions

H01J 718, H01J 3520, H01K 156

Patent

active

059164794

ABSTRACT:
A mercury-dispensing device is disclosed that includes a mercury dispenser having the formula Ti.sub.x Zr.sub.y Hg.sub.z in which x and y are between 0 and 13, inclusive, the quantity x+y is between 3 and 13, inclusive, and z is 1 or 2; and a promoter that comprises copper, silicon and possibly a third metal selected among the transition elements. A getter material selected among titanium, zirconium, tantalum, niobium, vanadium and mixtures thereof, and alloys of these metals with nickel, iron or aluminum can be included in the device. The mercury dispense, promoter and optional getter material are provided preferably in the form of powders compressed as a pellet, or contained in a ring-shaped metallic support or rolled on the surfaces of a metallic strip. Also disclosed is a process for introducing mercury into electron tubes by making use of the above-mentioned mercury-dispensing devices.

REFERENCES:
patent: 3657589 (1972-04-01), della Porta et al.
patent: 3722976 (1973-03-01), della Porta et al.
patent: 4464133 (1984-08-01), Buhrer
patent: 4902579 (1990-02-01), Grasselli et al.
patent: 5520560 (1996-05-01), Schiabel et al.

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